Question

I have an Array<Person> myArray and I am using the following code

myArray.Find(o => o.name.Equals("John"));

This article in Msdn states:

Return Value

Type: T

The first element that matches the conditions defined by the
specified predicate, if found; otherwise, the default value for type T.

If I had an Array<int> the default value would be zero.
But, in my case I am using a class. Let’s say Array<Person>.

What would be the default for my class and how can I handle the not found case using a delegate?

Answer 1

The default for any reference type (class, interface, delegate) is a null reference. The default for any value type is a value where all the fields of the type are the default value for that field – so you end up with 0, \0, false etc.

See MSDN for more details.